Arm chair



FIG. 1 is a perspective view.

FIG. 2 is a top plan view.

FIG. 3 is a bottom view.

FIG. 4 is a rear view.

FIG. 5 is a left side elevational view with the right side elevational view being a mirror image thereof; and,

FIG. 6 is a front elevational view. 

The ornamental design for an arm chair, as shown and described. 